An Ordnance Survey Map of the environs of Penrhos which was " Printed and Published by the Director General of the Ordnance Survey Office, Southampton. 1918. Surveyed in 1887 and Revised in 1914. Traeth Crugan and the Pwllheli & Llanbedrog Tramway is show at the bottom and the map shows Gelli-dara in the west to Pont y Garreg-fechan in the east.
Approx 96cms by 68cms
